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首页> 外文期刊>Optical Materials >Long wavelength room temperature laser operation of a strained InGaAs/GaAs quantum well structure monolithically grown by metalorganic chemical vapour deposition on a low energy-plasma enhanced chemical vapour deposition graded misoriented Ge/Si virtual
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Long wavelength room temperature laser operation of a strained InGaAs/GaAs quantum well structure monolithically grown by metalorganic chemical vapour deposition on a low energy-plasma enhanced chemical vapour deposition graded misoriented Ge/Si virtual

机译:通过在低能量等离子体增强的化学气相沉积上梯度取向的Ge / Si虚构的金属有机化学气相沉积单片生长的应变InGaAs / GaAs量子阱结构的长波长室温激光操作

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摘要

We report on the first room temperature (RT) laser operation at 1.04μm from strained InGaAs/GaAs quantum well structures grown by metalorganic chemical vapour deposition and monolithically integrated on Si using a 6° offcut Ge/GeSi/Si virtual substrate (VS) realised by low energy-plasma enhanced chemical vapour deposition. Similar threshold current density from identical control laser diodes grown on bulk germanium substrates demonstrates the potential of Ge/GeSi/Si-VS for the monolithic integration of long wavelength GaAs-based lasers on Si. A way to reduce the crack density is also proposed to improve the laser characteristics,
机译:我们报告了第一次应变的InGaAs / GaAs量子阱结构在1.04μm处的室温(RT)激光操作,该结构由金属有机化学气相沉积生长,并使用实现的6°切入Ge / GeSi / Si虚拟衬底(VS)单片集成在Si上通过低能等离子体增强化学气相沉积。来自生长在块状锗衬底上的相同控制激光二极管的相似阈值电流密度表明,Ge / GeSi / Si-VS具有潜力,可以将长波长基于GaAs的激光器单片集成到Si上。还提出了一种降低裂纹密度的方法来改善激光特性,

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